{ "count": 1, "generated_at": "2026-10-20T02:57:31Z", "items": [ { "id": "supersnes9x", "profile": { "core_classification": "enhanced_fork", "core_version": "1.63.29", "cores": [ "supersnes9x" ], "display_name": "Nintendo - SNES / SFC / SGB / GB / GBC (SuperSnes9x)", "emulator": "SuperSnes9x", "files": [ { "aliases": [ "BS-X.bios" ], "description": "Satellaview BS-X BIOS", "min_size": 1048576, "name": "BS-X.bin", "note": "Required for BS-X carts. BS-X.bios is accepted by the slot code in bsx.cpp only.", "required": true, "source_ref": "libretro/libretro.cpp:1145-1176, libretro/libretro.cpp:1308-1311, bsx.cpp:1204-1235", "system": "nintendo-satellaview", "validation": [ "size" ] }, { "description": "Sufami Turbo BIOS", "min_size": 262144, "name": "STBIOS.bin", "note": "Required for Sufami Turbo carts. The Sufami Turbo subsystem reads 1 MB and rejects a 256 KB file.", "required": true, "source_ref": "libretro/libretro.cpp:1145-1176, libretro/libretro.cpp:1302-1305, libretro/libretro.cpp:1445-1455", "system": "nintendo-sufami-turbo", "validation": [ "size" ] }, { "aliases": [ "SGB2.sfc", "Super Game Boy 2 (Japan).sfc" ], "description": "Super Game Boy 2 SNES BIOS", "name": "sgb2.sfc", "note": "Preferred over sgb.sfc in auto mode. Header at 0x7FC0 must read \"Super GAMEBOY2\". Without an SGB BIOS, GB content runs on the BIOS-less core.", "required": false, "source_ref": "memmap.cpp:1088-1155, memmap.cpp:1655-1665", "system": "nintendo-sgb" }, { "aliases": [ "SGB.sfc", "sgb1.sfc", "SGB1.sfc", "Super Game Boy (World).sfc" ], "description": "Super Game Boy SNES BIOS", "name": "sgb.sfc", "note": "Used when no SGB2 BIOS is found, or alone with the option set to sgb1. Header at 0x7FC0 must read \"Super GAMEBOY\" not followed by '2'.", "required": false, "source_ref": "memmap.cpp:1088-1155, memmap.cpp:1655-1665", "system": "nintendo-sgb" }, { "aliases": [ "sgb2_bios.bin" ], "description": "Super Game Boy 2 GB-side boot ROM", "hle_fallback": true, "name": "sgb2.boot.rom", "note": "Read in SGB2 BIOS mode and used only when it contains the 3E F1 handshake bytes, else the embedded boot ROM runs.", "required": false, "size": 256, "source_ref": "memmap.cpp:1165-1213, memmap.cpp:1858-1883", "system": "nintendo-sgb", "validation": [ "size" ] }, { "aliases": [ "sgb1.boot.rom", "sgb_bios.bin" ], "description": "Super Game Boy GB-side boot ROM", "hle_fallback": true, "name": "sgb.boot.rom", "note": "Read in SGB1 BIOS mode and used only when it contains the 3E F1 handshake bytes, else the embedded boot ROM runs.", "required": false, "size": 256, "source_ref": "memmap.cpp:1165-1213, memmap.cpp:1858-1883", "system": "nintendo-sgb", "validation": [ "size" ] }, { "aliases": [ "KROM.BIN", "krom1.bin" ], "description": "Super Famicom Box supervisor ROM (HD64180)", "min_size": 65536, "name": "KROM1.BIN", "note": "Required for Super Famicom Box images: LoadSFCBox returns false without it.", "required": true, "source_ref": "sfcbox.cpp:1350-1398, sfcbox.h:20, memmap.cpp:2561-2562", "system": "nintendo-sfcbox", "validation": [ "size" ] }, { "description": "Super Famicom Box OSD character ROM", "min_size": 9216, "name": "MB90082.BIN", "note": "Absent, the supervisor overlay is not drawn.", "required": false, "source_ref": "sfcbox.cpp:1400-1403, sfcbox.h:25", "system": "nintendo-sfcbox", "validation": [ "size" ] } ], "notes": "Snes9x fork that adds a Game Boy core behind a Super Game Boy subsystem, the\nSuper Famicom Box (HD64180 supervisor) and other boards. The libretro build\ncompiles sfcbox.cpp, hd64180.cpp and the sgb/ tree.\nref: snes9x.h:11-13, libretro/Makefile.common:53-69\n\nBIOS_DIR is the frontend's system directory. LoadBIOS, used for BS-X.bin and\nSTBIOS.bin, tries the content directory first and requires the read to fill\nthe whole buffer it is given.\nref: libretro/libretro.cpp:2320-2326, libretro/libretro.cpp:1145-1176\n\nGame Boy content: with the snes9x_sgb_bios option at its default (auto) the\ncore looks for an SGB2 BIOS, then an SGB1 BIOS, in the content directory,\nBIOS_DIR, then the working directory. A candidate is accepted only when its\nheader at 0x7FC0 reads \"Super GAMEBOY\", the next byte deciding SGB2. Without\none the built-in BIOS-less Game Boy core runs the cart. In BIOS mode a\n256-byte GB-side boot ROM is read too, and used only when it contains the\n3E F1 handshake sequence. Otherwise an embedded SGB boot ROM is used.\nref: libretro/libretro.cpp:657-671, memmap.cpp:1088-1155,\n memmap.cpp:1165-1213, memmap.cpp:1655-1686, memmap.cpp:1858-1883\n\nSatellaview: a BS-X cart loads only with BS-X.bin (1 MB). The BS-X slot code\nreads BS-X.bin or BS-X.bios from BIOS_DIR.\nref: libretro/libretro.cpp:1308-1311, bsx.cpp:1204-1235, bsx.cpp:1301-1307\n\nSufami Turbo: a cart loads only with STBIOS.bin (256 KB). The Sufami Turbo\nsubsystem asks LoadBIOS for 0x100000 bytes, so a 256 KB STBIOS.bin fails that\npath, while the plain content path and the two-cart path ask for 0x40000.\nref: libretro/libretro.cpp:1302-1305, libretro/libretro.cpp:1413-1425,\n libretro/libretro.cpp:1445-1455\n\nSuper Famicom Box: the supervisor ROM is looked for in BIOS_DIR, the content\ndirectory, its BIOS and ../BIOS subfolders, then the directory of the loaded\nfile. Without it the image is refused. The OSD font is optional.\nref: sfcbox.cpp:1350-1407, memmap.cpp:2561-2562\n", "pin_frozen": "ROCKNIX 20261001 builds this revision. Later commits on shanytc/snes9x rework the Super Famicom Box loader and are not part of that build.", "profiled_date": "2026-10-17", "source": "https://github.com/shanytc/snes9x", "source_commit": "691e47b40fb38fa522a5471462344a2f0206b7a8", "systems": [ "nintendo-snes", "nintendo-satellaview", "nintendo-sufami-turbo", "nintendo-sfcbox", "nintendo-sgb", "nintendo-gb", "nintendo-gbc" ], "type": "libretro", "upstream": "https://github.com/snes9xgit/snes9x" } } ], "kind": "emulators", "schema_version": 1 }